National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

53°F

12°C

Humidity 41%
Wind Speed Calm
Barometer 30.44 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 7 Oct 12:15 am MDT
Extended Forecast for

Arapahoe Peak CO

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. West wind around 7 mph becoming north.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow showers after noon. Increasing clouds, with a high near 50. Northeast wind around 7 mph becoming southwest in the morning. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 50 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow showers before 7pm. Partly cloudy, with a low around 35. West wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 48. West wind 7 to 11 mph, with gusts as high as 16 mph.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. Breezy, with a west wind 7 to 15 mph.

    Low: 35 °F

    Partly Cloudy
    then Mostly
    Clear and
    Breezy

  • Friday

    Friday: Sunny, with a high near 47. Breezy.

    High: 47 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. Breezy.

    Low: 35 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 45. Breezy.

    High: 45 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34. Breezy.

    Low: 34 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. West wind around 7 mph becoming north.
Wednesday
A chance of rain and snow showers after noon. Increasing clouds, with a high near 50. Northeast wind around 7 mph becoming southwest in the morning. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
A slight chance of rain and snow showers before 7pm. Partly cloudy, with a low around 35. West wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 48. West wind 7 to 11 mph, with gusts as high as 16 mph.
Thursday Night
Mostly clear, with a low around 35. Breezy, with a west wind 7 to 15 mph.
Friday
Sunny, with a high near 47. Breezy.
Friday Night
Mostly clear, with a low around 35. Breezy.
Saturday
Sunny, with a high near 45. Breezy.
Saturday Night
Partly cloudy, with a low around 34. Breezy.
Sunday
A chance of snow showers after noon. Partly sunny, with a high near 43. Breezy.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 32.
Columbus Day
A chance of snow showers. Partly sunny, with a high near 40. Breezy.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 31. Blustery.
Tuesday
A chance of snow showers. Partly sunny, with a high near 36. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe Peak CO
 40.02°N 105.65°W (Elev. 12680 ft)
Last Update:
12:46 pm MDT Oct 6, 2026
Forecast Valid:
12am MDT Oct 7, 2026-6pm MDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation